. >>> the nsa says of course it's not spying on the cell phones of american citizens, but if it happens to be one of the five billion tracked every day, that pledge doesn't apply to you. top secret documents provided by edward snowden says they gather those billions of records from across the road and help them track the movements of certain people and uncover what may be dama dangerous. they say they do, incidently, obtain location information on certain phones. one manager told the post they gather information from tens of millions of americans that travel abroad with their phones every year. >> vice president joe biden continues his excellent adventure arriving in china overnight. biden told the chinese later that the u.s. does not recognize their air defense zone over the east china sea. they also talked about the nuclear issue. no word if he was able to confirm if he sacked his uncle. i spoke with jon huntsman who left that post to seek the republican nomination in 2012. i asked him what he made of biden's diplomatic efforts. >> so his language chosen is deeply concerning. >> yeah,